Mechatronics Dominator BT User manual

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CONFIGURATOR
Dominator BT
User manual

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CONTENTS
1 General information 4
2 Installation 5
3 Operation 8
4 Settings 11
5 Calibration 14
5.1 Sensor calibration 15
5.2 Tank calibration 16
5.3 Sensor/tank calibration in inactive mode 19
6 Firmware update 21
7 Data logging 24
8 Additional information 25
8.1 Technical support 25
8.2 Contacts 25
Appendix I. Connecting Dominator BT to Teltonika FMB devices 26
Appendix II. Dominator BT message format 30
Appendix III. Status parameter 32

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TERMS AND DEFINITIONS:
FLS –eurosens fuel level sensor
App –application
Calibration –changing of sensor settings
PC –personal computer

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1GENERAL INFORMATION
_____________________________________________________________________________________
The application "Configurator Dominator BT" (app) is designed to calibrate,
monitor and test eurosens Dominator BT fuel level sensors (FLS) manufactured by
Mechatronics JSC.
To calibrate the sensor, you will need:
•Android Smartphone (ver. 9.0 or newer);
•Bluetooth ver. 4.2.
Configurator Dominator BT application will require to complete the
registration process. “Mechatronics” account will be created and stored
in Android Settings - > “Accounts” section.
It is not recommended to delete the program or account
“Mechatronics”, as this will lead to the loss of registration data, and you
will have to go through the registration process again. Update the app
over the installed version.
Bluetooth signal is stronger if the antenna icon on the sensor is directed
to receiver (fig. 1.1).
fig. 1.1. Antenna icon

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2INSTALLATION
_____________________________________________________________________________________
1. Download and install the application Configurator Dominator BT from
Play Market.
2. During the installation provide all required permissions to the app and
enable Bluetooth access and geolocation services (fig. 2.1).
fig. 2.1. Permissions
3. Start the app and follow the instructions.
4. During the first start fill in the registration form and sent it to Mechatronics
(fig. 2.2 and fig. 2.3).

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fig. 2.2. Filling in registration form
fig. 2.3. Sending registration form

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5. After the data has been verified by the manager, your account will be added
to the list of accounts in Android Settings - > “Accounts”.
6. Restart the app after you complete the registration process.
During the registration process, an Internet connection is required (to
send registration form and to poll registration server).
After the app is installed and registered, the configurator can work
offline.

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3OPERATION
_____________________________________________________________________________________
The FLS is supplied in an inactive state to save battery power.
1) After the application is installed and registered, check if the required
permissions, Bluetooth module and geolocation services are enabled.
2) Run the configurator.
3) Go to the tab “Messages” to monitor the current data being sent by the
sensor. The tab displays all the sensors found within the Bluetooth visibility
range as well as such devices as BT-COM, Dottrack, Degree BT.
4) Click the button “Clear”to clear the list and restart the search (fig. 3.1).
fig. 3.1. Current data

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5) Activate the settings mode of the sensor for further setup and calibration:
take the magnetic key from the sensor’s kit and apply it to the icon of magnet
on sensor’s case for 2-3 seconds (fig. 3.2) until the sensor appears in the tab
“Information”.
6) The activated sensor connects to a smartphone within 30 seconds and then
operates in settings mode until you exit the application or click the button
“Disconnect”.
fig. 3.2. Activation of settings mode
•If there have been more than three unsuccessful attempts to enter
the settings mode, then the next connection attempt will be
available in 10 minutes.
•If unsuccessful attempts and false connections continue, the sensor
will block the service connection for an hour.
•If there are no false connection attempts within 24 hours, the sensor
will reset the protection status.
7. After the device is connected, the tab “Information” will show sensor data:
the manufacturer, model and MAC address of the device, serial number and
firmware version, date of manufacture, battery status, temperature and
current detector values (fig. 3.3).

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fig. 3.3. Tab “Information”
Do not click the button "Switch to the firmware update mode" if the
update is not planned.
Leaving the sensor in the firmware mode can lead to a rapid discharge
of the battery (see part 6. Firmware update).

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4SETTINGS
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The following settings can be performed in the tab “Settings” (fig. 4.1):
fig. 4.1. Tab “Settings”
•Messages delivery period (sec) is the time interval between messages
being sent to the monitoring system. The default value is 5 seconds
(a shorter period will reduce battery life of the sensor), a longer value will
save the battery power).
•Averaging period (sec) is the data smoothing interval and can be set by a
user. It is recommended to choose the values of 4, 8, 16, 32, 64 or 128
seconds. Such values will reduce the computational load and increase
battery life of the sensor.

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•Thermocompensation recalculates fuel volume by temperature and makes
sensor readings temperature dependent (requires a more precise
calibration).
•Standard temperature is reference fuel temperature for the thermal
compensation (also the generally regulated fuel temperature at filling
stations).
•Thermocompensation coefficient –see Table 1.
Table 1. Thermocompensation coefficient of volumetric expansion for fuel β
ρ, kg/m3
β, 1/°C
ρ, kg/m3
β, 1/°C
ρ, kg/m3
β, 1/°C
690,0 - 699,9
0,00130
800,0 - 809,9
0,00094
910,0 - 919,9
0,00067
700,0 - 709,9
0,00126
810,0 - 819,9
0,00092
920,0 - 929,9
0,00065
710,0 - 719,9
0,00123
820,0 - 829,9
0,00089
930,0 - 939,9
0,00063
720,0 - 729,9
0,00119
830,0 - 839,9
0,00086
940,0 - 949,9
0,00061
730,0 - 739,9
0,00116
840,0 - 849,9
0,00084
950,0 - 959,9
0,00059
740,0 - 749,9
0,00113
850,0 - 859,9
0,00081
960,0 - 969,9
0,00057
750,0 - 759,9
0,00109
860,0 - 869,9
0,00079
970,0 - 979,9
0,00055
760,0 - 769,9
0,00106
870,0 - 879,9
0,00076
980,0 - 989,9
0,00053
770,0 - 779,9
0,00103
880,0 - 889,9
0,00074
990,0 - 999,9
0,00052
780,0 - 789,9
0,00100
890,0 - 899,9
0,00072
-
-
790,0 - 799,9
0,00097
900,0 - 909,9
0,00070
-
-
Recalibrate the sensor if its electrode has been cut off or enlarged by
more than 50% :
1) completely immerse the sensor into fuel;
2) click the button “Determine the number of measurement cycles”
in the configurator.
Calibration is described by the parameter “Number of Measurement
Cycles”.
If it is necessary to use the same calibration for several sensors of the
same electrode length, just enter the value of the parameter “Number
of Measurement Cycles”.

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•Load from sensor –load configuration and tank calibration from sensor.
•Load from file - load configuration and tank calibration from file.
•Save to sensor –save configuration and tank calibration in sensor.
•Save to file –save configuration and tank calibration to file.
•Error code in the temperature field - when active, enables the sensor to
transmit error and malfunction codes instead of temperature value. If there
are no codes, then the sensor will transmit the temperature value.
Code 240 - no contact with electrodes.
Code 241 - "empty" calibration error, if the detector value is lower than
the “empty” calibration value by more than 1%.
Code 242 - "full" calibration error, if the detector value is higher than
the “Full” calibration value by more than 1%.
•Protocol - switches the protocol version. Protocol version 2 supports
transmission of sensor status. Protocol version 1 is used for compatibility.

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5CALIBRATION
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Create and edit a tank calibration table in the tab “Calibration”.
•Tank calibration table is necessary to make sensor output proportional to
current volume in the tank (not level).
It is sufficient to have 2 calibration points in a table for a rectangular tank
or vertical cylinder tank of “ideal shape”.
As for other shapes of tanks, it is recommended to add intermediate
points to the tank calibration table to increase the accuracy of readings
(fig. 5.1).
fig. 5.1. Calibration table
fig. 5.2. Calibrate empty
fig. 5.3. Calibrate full
•Existing calibration points are highlighted in blue. A point highlighted in red
is a current detector value which hasn’t been recorded yet.

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•Click on a row to edit detector or fuel volume values. The buttons "+" and
“-”add and delete points.
•Sensor calibration (or a 2-point tank calibration) can be performed without a
table.
•Two points are specified: for an empty (0) tank (fig. 5.2) and a full (100) tank
(fig. 5.3).
5.1 SENSOR CALIBRATION
To calibrate the sensor (FLS):
1. Fully immerse the measuring part of the sensor into fuel for a short time, then
take the measuring part out and let the fuel drain.
It is recommended to immerse a measuring part of the sensor into fuel
to minimize a calibration error.
2. Install the sensor on an empty tank.
3. Wait for a stable detector value and then add the first value (or edit the existing
one) to the calibration table by clicking the button "Calibrate Empty” (fig. 5.2).
4. Make sure that fuel volume value equals to “0”.
5. Immerse the sensor into fuel when the tank is full (you can use a tube closed
from one side instead of tank).
6. Wait for detector value stabilization. Add a second record to the calibration
table (or edit existing one) and click “Calibrate FULL” (fig. 5.3).
7. Make sure that fuel volume value equals to max tank volume or 100 L (for
sensor calibration), or 40.95 if you want to receive sensor values in the range of
0-4095.
8. Check whether the table contains correct values of parameters “Detector” and
“Volume”.
9. Click the button “Save to sensor”.

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If table contains more than two rows, the buttons "Calibrate Empty"
and "Calibrate Full" disappear, since the tank calibration mode goes
automatically.
Sensor calibration is not necessary if you perform the tank calibration
and save the table to sensor (not GPS tracking server).
5.2 TANK CALIBRATION
Tank calibration requires the following steps:
1. Fully immerse the measuring part of the sensor into fuel for a short time, then
take the measuring part out and let the fuel drain.
It is recommended to immerse a measuring part of the sensor into fuel
to minimize a calibration error.
2. Install the sensor on an empty tank.
3. Add the first value “0” by clicking the button “+”.
4. Then add portions of fuel into the tank (it’s recommended to add portions
divisible by 5 or 10).
5. Wait for a stable detector value, and, after each portion, add the new point to
the calibration table and specify the added amount of fuel. Note that detector
value should be increasing with fuel volume (fig. 5.4).
6. Repeat step 4. until the tank is full.
7. After the calibration process is over, remember to save the calibration table by
clicking the buttons “Save to Sensor” and “Save to file”.

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fig. 5.4. Calibration
•Table in Wialon format
If the option "Table in Wialon format" is enabled (fig. 5.5), the values of portion
volumes change into the total volume value, which increases with each calibration
step. Switch the table view at any time to easily monitor the volume of portions.
If the table is saved with the enabled option "Table in Wialon format", click the
button "Save to sensor" to save the calibration table to a file. This must be done
on a mandatory basis.
The calibration table “Empty/full”will be saved to the sensor.
The calibration table in Wialon format will be the saved to a file and stored in the
phone. Upload this file to Wialon software.

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Before saving the calibration table to sensor in Wialon format, save the
table to a file in the standard format.
fig. 5.5. Table in Wialon format
•Autosave
The enabled option “Autosave”opens the menu for saving the table to a file each
time one deletes or adds rows to the calibration table.

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5.3 SENSOR/TANK CALIBRATION IN INACTIVE MODE
If sensor calibration or tank calibration (most likely) takes more than an hour, it is
recommended to perform calibration in the inactive mode then in order to reduce
the battery drain:
1. Configure a FLS to send messages once every 2 sec and set the averaging
time to 4 sec or 8 sec, then exit the active mode.
2. In the tab “Messages” select the FLS you are going to calibrate. The selected
FLS is highlighted in green (fig. 5.6).
fig. 5.6. Tab “Messages”

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3. Go to the tab “Calibration” and calibrate the FLS or tank as described before.
There could be delays in receiving messages up to 30 seconds
depending on smartphone model.
It is recommended to save the calibration table to a file after each
calibration point.
4. Upon completion of calibration, save the calibration table to a file and go to
the tab “Messages” to disconnect the FLS from the calibration mode.
5. Connect to the FLS in the active mode (using magnet, as described in
part 3. Operation).
6. Go to the tab "Calibration", download the previously saved calibration file
and save the data to the FLS.
7. Change the settings for message transmission and filtering to the required
ones and save the settings.
8. Exit the configurator.